emphasize settings apply workflow
emphasize settings apply workflow

the warning that any changes are not immediately applied should be
more visible

a blue flash message background with a blue button is not visible
enough

settings-ui#apply

Signed-off-by: Maximilian Meister <d082c6e85b1479677ce48cb91ac104a594c00930@suse.de>

vitoravelino/velum,MaximilianMeister/velum,vitoravelino/velum,vitoravelino/velum,ereslibre/velum,ereslibre/velum,MaximilianMeister/velum,kubic-project/velum,ereslibre/velum,kubic-project/velum,kubic-project/velum,kubic-project/velum,vitoravelino/velum,MaximilianMeister/velum,MaximilianMeister/velum,ereslibre/velum